Iv lock意思

"IV lock" is a term used in healthcare and specifically in the context of intravenous (IV) therapy. It stands for "intravenous lock" or "IV catheter lock." This term refers to a procedure where a small catheter is inserted into a vein, typically in the arm, to provide a means for delivering fluids, medications, or nutrition directly into the bloodstream.

The "lock" part of the term refers to the action taken to keep the IV catheter patent (open) and free from clotting when it is not being used for infusion. This is usually done by flushing the catheter with a heparinized saline solution, which contains a small amount of the anticoagulant heparin to prevent blood clots from forming inside the catheter.

An IV lock is often used when an IV line is no longer needed for immediate infusion but may be needed again in the near future. It allows for quick and easy access to the patient's vascular system if additional IV therapy is required, without the need for re-inserting a catheter, which can be painful and inconvenient for the patient.

IV locks are commonly used in hospital settings, particularly for patients who require ongoing IV therapy, such as those with chronic illnesses, undergoing surgery, or in intensive care. They are also used in some outpatient settings, such as clinics and chemotherapy treatment centers, where patients may need frequent or prolonged access to IV treatments.